Specifications: Creative bookmark light, ultra-slim and lightweight. It can be put in your book to be bookmark as well as folding to clip on book for reading light. Powered by button battery with working time for 100,000 hours. Convenient for your night reading, great for study need. Type: Bookmark Light Material: PC Imput Voltage: DC 3V Power Supply: 1 x CR2032 Battery(Included) Features: Lightweight, Ultra-slim, Mini Size, Bookmark, Reading Light Size: 15.2cm x 3.5cm x 0.1cm/5.98" x 1.38" x 0.04" (Approx.) Notes: You will find more amazing products if you visit our store. Due to differences in lighting and screen settings, the color of the project may be slightly different from the picture. Due to different manual measurements,allow for slight size differences. Package Includes: 1 x Bookmark Light